[LLVMdev] [lld][PECOFF] assert from lld once in 5 test runs.

[Rui Ueyama]

On head? I submitted r230086 last week to mitigate the threading issue, but
there may be other threading issue there. I don't see that frequent
failure, though. It may depends on machines as it's not deterministic.

On Wed, Feb 25, 2015 at 9:40 AM, Shankar Easwaran <shankare at codeaurora.org>
wrote:

> Hi Rui,
>
> Not sure if you have seen this problem, but I have been running into this
> problem when I run the lld tests and the failure occurence is once in 5
> times.
>
> lld: ../tools/lld/lib/Core/Resolver.cpp:402: void lld::Resolver::deadStripOptimize():
> Assertion `symAtom' failed.
> #0 0x4b05ae llvm::sys::PrintStackTrace(_IO_FILE*)
> /usr2/seaswara/work/llvmorg/llvm-build/../lib/Support/
> Unix/Signals.inc:422:15
> #1 0x4b136b PrintStackTraceSignalHandler(void*)
> /usr2/seaswara/work/llvmorg/llvm-build/../lib/Support/
> Unix/Signals.inc:481:1
> #2 0x4b2ee4 SignalHandler(int) /usr2/seaswara/work/llvmorg/
> llvm-build/../lib/Support/Unix/Signals.inc:198:60
> #3 0x7fd12664bcb0 __restore_rt (/lib/x86_64-linux-gnu/
> libpthread.so.0+0xfcb0)
> #4 0x7fd12587d0d5 gsignal /build/buildd/eglibc-2.15/
> signal/../nptl/sysdeps/unix/sysv/linux/raise.c:64:0
> #5 0x7fd12588083b abort /build/buildd/eglibc-2.15/stdlib/abort.c:93:0
> #6 0x7fd125875d9e __assert_fail_base /build/buildd/eglibc-2.15/
> assert/assert.c:55:0
> #7 0x7fd125875e42 (/lib/x86_64-linux-gnu/libc.so.6+0x2ee42)
> #8 0x76ff7f lld::Resolver::deadStripOptimize()
> /usr2/seaswara/work/llvmorg/llvm-build/../tools/lld/lib/
> Core/Resolver.cpp:402:5
> #9 0x770be5 lld::Resolver::resolve() /usr2/seaswara/work/llvmorg/
> llvm-build/../tools/lld/lib/Core/Resolver.cpp:481:7
> #10 0x4538f4 lld::Driver::link(lld::LinkingContext&, llvm::raw_ostream&)
> /usr2/seaswara/work/llvmorg/llvm-build/../tools/lld/lib/
> Driver/Driver.cpp:108:8
> #11 0x425c25 lld::WinLinkDriver::linkPECOFF(int, char const**,
> llvm::raw_ostream&) /usr2/seaswara/work/llvmorg/
> llvm-build/../tools/lld/lib/Driver/WinLinkDriver.cpp:879:10
> #12 0x42238a lld::UniversalDriver::link(int, char const**,
> llvm::raw_ostream&) /usr2/seaswara/work/llvmorg/
> llvm-build/../tools/lld/lib/Driver/UniversalDriver.cpp:207:12
> #13 0x421e76 main /usr2/seaswara/work/llvmorg/
> llvm-build/../tools/lld/tools/lld/lld.cpp:35:10
> #14 0x7fd12586876d __libc_start_main /build/buildd/eglibc-2.15/csu/
> libc-start.c:258:0
> #15 0x421d35 _start (/local/mnt/workspace/shankare/work/llvmorg/llvm-
> build/bin/lld+0x421d35)
> Stack dump:
> 0.      Program arguments: lld /out:/local/mnt/workspace/
> shankare/work/llvmorg/llvm-build/tools/lld/test/pecoff/Output/export.test.tmp5.dll
> /dll /entry:init /export:exportfn7 -- /local/mnt/workspace/shankare/
> work/llvmorg/llvm-build/tools/lld/test/pecoff/Output/export.test.tmp.obj
> -flavor link
> /local/mnt/workspace/shankare/work/llvmorg/llvm-build/tools/
> lld/test/pecoff/Output/export.test.script: line 18: 16942 Aborted
>          lld -flavor link /out:/local/mnt/workspace/
> shankare/work/llvmorg/llvm-build/tools/lld/test/pecoff/Output/export.test.tmp5.dll
> /dll /entry:init /export:exportfn7 -- /local/mnt/workspace/shankare/
> work/llvmorg/llvm-build/tools/lld/test/pecoff/Output/export.test.tmp.obj
>
>
> Shankar Easwaran
>
> --
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted
> by the Linux Foundation
>
>
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